311798760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4120

約数の個数: 192

約数和(自身を含む): 1172102400

約数和(自身を除く): 860303640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1092, 1176, 1274, 1365, 1470, 1560, 1820, 1911, 1960, 2184, 2548, 2730, 2940, 3185, 3640, 3822, 4079, 5096, 5460, 5880, 6370, 7644, 8158, 9555, 10920, 12237, 12740, 15288, 16316, 19110, 20395, 24474, 25480, 28553, 32632, 38220, 40790, 48948, 53027, 57106, 61185, 76440, 81580, 85659, 97896, 106054, 114212, 122370, 142765, 159081, 163160, 171318, 199871, 212108, 228424, 244740, 265135, 285530, 318162, 342636, 371189, 399742, 424216, 428295, 489480, 530270, 571060, 599613, 636324, 685272, 742378, 795405, 799484, 856590, 999355, 1060540, 1113567, 1142120, 1199226, 1272648, 1484756, 1590810, 1598968, 1713180, 1855945, 1998710, 2121080, 2227134, 2398452, 2598323, 2969512, 2998065, 3181620, 3426360, 3711890, 3997420, 4454268, 4796904, 5196646, 5567835, 5996130, 6363240, 7423780, 7794969, 7994840, 8908536, 10393292, 11135670, 11992260, 12991615, 14847560, 15589938, 20786584, 22271340, 23984520, 25983230, 31179876, 38974845, 44542680, 51966460, 62359752, 77949690, 103932920, 155899380, 311798760]

約数ペア:

[(1, 311798760), (2, 155899380), (3, 103932920), (4, 77949690), (5, 62359752), (6, 51966460), (7, 44542680), (8, 38974845), (10, 31179876), (12, 25983230), (13, 23984520), (14, 22271340), (15, 20786584), (20, 15589938), (21, 14847560), (24, 12991615), (26, 11992260), (28, 11135670), (30, 10393292), (35, 8908536), (39, 7994840), (40, 7794969), (42, 7423780), (49, 6363240), (52, 5996130), (56, 5567835), (60, 5196646), (65, 4796904), (70, 4454268), (78, 3997420), (84, 3711890), (91, 3426360), (98, 3181620), (104, 2998065), (105, 2969512), (120, 2598323), (130, 2398452), (140, 2227134), (147, 2121080), (156, 1998710), (168, 1855945), (182, 1713180), (195, 1598968), (196, 1590810), (210, 1484756), (245, 1272648), (260, 1199226), (273, 1142120), (280, 1113567), (294, 1060540), (312, 999355), (364, 856590), (390, 799484), (392, 795405), (420, 742378), (455, 685272), (490, 636324), (520, 599613), (546, 571060), (588, 530270), (637, 489480), (728, 428295), (735, 424216), (780, 399742), (840, 371189), (910, 342636), (980, 318162), (1092, 285530), (1176, 265135), (1274, 244740), (1365, 228424), (1470, 212108), (1560, 199871), (1820, 171318), (1911, 163160), (1960, 159081), (2184, 142765), (2548, 122370), (2730, 114212), (2940, 106054), (3185, 97896), (3640, 85659), (3822, 81580), (4079, 76440), (5096, 61185), (5460, 57106), (5880, 53027), (6370, 48948), (7644, 40790), (8158, 38220), (9555, 32632), (10920, 28553), (12237, 25480), (12740, 24474), (15288, 20395), (16316, 19110)]